Q. Which extinct orchid species is native to Assam?
Answer:
Dendrobium assamicum
Notes: Dendrobium assamicum is an orchid species native to Assam that is now extinct. It was originally found in the northeastern region of India, including Assam, known for rich biodiversity. This species belongs to the genus Dendrobium, which includes many orchids widespread in Asia and Oceania. Its habitat loss contributed to its extinction in the wild.